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Supraventricular tachycardia

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https://www.readbyqxmd.com/read/28323593/you-re-the-flight-surgeon
#1
(no author information available yet)
DeFlorio PT. You're the flight surgeon: supraventricular tachycardia. Aerosp Med Hum Perfom. 2016; 87(12):1051-1053.
December 1, 2016: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28320069/usefulness-of-laboratory-and-radiological-investigations-in-the-management-of-supraventricular-tachycardia
#2
Aadith Ashok, Miguel Cabalag, David McD Taylor
OBJECTIVE: Although ED patients presenting with supraventricular tachycardia (SVT) are commonly investigated, the value of these investigations has been questioned. We aimed to determine the frequency and utility of investigations in patients with SVT. METHODS: We undertook an explicit retrospective medical record audit of patients with SVT who presented to a single ED (January 2004 to June 2014). Data on demographics, presenting complaints, investigations and outcomes were extracted...
March 20, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28294644/electrocardiogram-changes-and-atrial-arrhythmias-in-individuals-carrying-sodium-channel-scn5a-d1275n-mutation
#3
Sari U M Vanninen, Kjell Nikus, Katriina Aalto-Setälä
INTRODUCTION: The cardiac sodium channel SCN5A regulates atrioventricular and ventricular depolarization as well as cardiac conduction. Patients with cardiac electrical abnormalities have an increased risk of sudden cardiac death (SCD) and cardio-embolic stroke. Optimal management of cardiac disease includes the understanding of association between the causative mutations and the clinical phenotype. A 12-lead electrocardiogram (ECG) is an easy and inexpensive tool for finding risk patients...
March 15, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28290912/-overwiew-of-new-clinical-guidelines-for-the-diagnosis-and-treatment-of-supraventricular-tachycardias-2015-of-the-american-college-of-cardiology-american-heart-association-society-for-heart-rhythm-disturbances-acc-aha-hrs
#4
https://www.readbyqxmd.com/read/28272074/when-potion-becomes-poison-a-case-report-of-flecainide-toxicity
#5
S Bajaj, M S Tullu, Zah Khan, M Agrawal
We report a 48-day-old female infant, who developed cardiac conduction abnormalities and seizures secondary to supratherapeutic doses of oral flecainide. Flecainide was started in this infant for treatment of supraventricular tachycardia. The drug was withdrawn with successful normalization of the QRS complex and no further recurrence of seizures. The Naranjo probability score for adverse drug reaction was 8, making the causality "probable." The case restates an important message that physicians should be aware of the side effects of the drugs that they prescribe, especially of those drugs which have a narrow therapeutic window...
March 3, 2017: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/28270260/what-is-the-diagnostic-value-of-the-paediatric-exercise-tolerance-test-results-from-a-uk-centre
#6
Magdalena A Sajnach-Menke, Sarah C Walpole
Purpose The aim of this study was to determine whether the exercise tolerance test can provide diagnostic and prognostic information regarding children and young adults and help predict outcome. METHODS: A total of 87 patients, aged 7-29 years (median 13, mean 13.4) were selected retrospectively. They underwent exercise test at the Freeman Hospital from December, 2015 to May, 2016. There were two groups of patients - 46 had symptoms such as chest pain, palpitations, syncope, or dyspnoea on exertion and no cardiac diagnosis, and 40 patients had a cardiac diagnosis such as hypertrophic cardiomyopathy, transposition of the great arteries with post-arterial switch operation, aortic stenosis or regurgitation, tetralogy of Fallot, abnormal coronary arteries, Wolff-Parkinson-White syndrome, or supraventricular tachycardia...
March 8, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28267896/treatment-of-supraventricular-tachycardia-in-a-horse
#7
Dorothy D Whelchel, Brett S Tennent-Brown, Amanda E Coleman, Gregg S Rapoport, Uriel Blas-Machado, Herbert W Maisenbacher, Brenton C Credille, Steeve Giguère
OBJECTIVE: To describe the treatment of persistent supraventricular tachycardia (SVT) in a young horse in endurance training. CASE SUMMARY: A 6-year-old Arab gelding in endurance training presented for a dysrhythmia and decreased performance. SVT was diagnosed and conversion to a normal sinus rhythm was achieved following administration of a constant rate infusion of amiodarone. However, reversion to SVT occurred shortly after initiation of ridden exercise. A second attempt to convert the dysrhythmia with amiodarone failed, but normal sinus rhythm was achieved with transvenous electrical cardioversion (TVEC)...
March 7, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28265962/treatment-of-fetal-supraventricular-tachycardia
#8
REVIEW
Bridget B Zoeller
Fetal arrhythmia is a common reason for referral to fetal cardiology. Fetal supraventricular tachycardia can be subdivided into several groups with the most common being re-entrant supraventricular tachycardia and atrial flutter. Fetal tachycardia can lead to hydrops fetalis, which increases the risk of fetal demise, perinatal morbidities, and premature delivery. The diagnosis of fetal tachycardia can be a challenge as a traditional electrocardiogram cannot be completed on a fetus, and other methods must be used by fetal echocardiogram...
January 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28243432/interventricular-membranous-septal-aneurysm-incidentally-diagnosed-during-computed-tomographic-angiography-in-a-patient-with-infrequent-supraventricular-tachycardia
#9
Munish Sharma, Farhad Elmi
Interventricular membranous septal (IVMS) aneurysm is a rare condition with no accurate incidence. It is known to be associated with 0.3 % of congenital heart disease and 19 % of ventricular septal defects. IVMS aneurysm is often asymptomatic but can be complicated with right ventricular obstruction, rupture, thromboembolism, and conduction defects. Clinicians and radiologist should be aware about this rare clinical entity and evaluation of any possible underlying cardiac abnormalities should be performed. Conservative management with close follow up is the mainstay of management in the absence of complication...
January 11, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28240435/ventricular-tachyarrhythmias-in-patients-with-hypertrophic-cardiomyopathy-and-defibrillators-triggers-treatment-and-implications
#10
Mark S Link, Katy Bockstall, Jonathan Weinstock, Alawi A Alsheikh-Ali, Christopher Semsarian, N A Mark Estes, Paolo Spirito, Tammy S Haas, Ethan J Rowin, Martin S Maron, Barry J Maron
INTRODUCTION: Triggers and ICD interventions of ventricular arrhythmias in patients with hypertrophic cardiomyopathy (HCM) offers insight into mechanisms and treatment. METHODS AND RESULTS: Intracardiac ICD electrograms from 71 HCM patients in the HCM I and II studies were analyzed by 3 individuals. Rhythms were defined as VF (polymorphic ventricular arrhythmia), VT (monomorphic ventricular tachycardia), and ventricular flutter (VFL) (VT ≥ 240 bpm). Physical activity and rhythm preceding the arrhythmia were ascertained...
February 27, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28239808/atrial-fibrillation-prevalence-and-atrial-vulnerability-analysis-in-paroxysmal-supraventricular-tachycardia-patients-after-radiofrequency-ablation
#11
Q-X Zhao, Y-M Zhao, L Mao, D-L Shen, X-Y Zhao
OBJECTIVE: Paroxysmal supraventricular tachycardia (PSVT) patient has higher prevalence ratio of atrial fibrillation (AF), while AF recurrence remains a high ratio after radiofrequency ablation (RFCA). This study explored AF prevalence and atrial vulnerability in PSVT patients after RFCA, using ROC curve to analyze atrial effective refractory period dispersion (dERP) on postoperative AF in the prediction of PSVT. PATIENTS AND METHODS: The PSVT patients were enrolled and divided into three groups and received RFCA treatment between January 2010 and December 2014...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28229202/double-ventricular-response-in-dual-av-nodal-pathways-mimicking-interpolated-premature-beat
#12
J-X Li, Q Chen, J-X Hu, J-H Yu, P Li, K Hong, Q-H Wu, Y-Q Wu, X-S Cheng
Double ventricular response in dual atrioventricular (AV) nodal pathways can result in nonreentrant supraventricular tachycardia. Since this condition was first described in 1979, around 20 cases have been reported. Here, we present the case of a patient with a confirmed diagnosis of double ventricular response in dual AV nodal pathways resembling an interpolated premature beat who underwent successful radiofrequency ablation of the slow pathway.
February 22, 2017: Herz
https://www.readbyqxmd.com/read/28213508/familial-occurrence-of-atrioventricular-nodal-reentrant-tachycardia
#13
Yoav Michowitz, Adi Anis-Heusler, Eyal Reinstein, Oholi Tovia-Brodie, Aharon Glick, Bernard Belhassen
BACKGROUND: Atrioventricular nodal reentrant tachycardia (AVNRT) is considered a sporadic disease occurring in ≈22.5 cases per 10 000 in the general population. We define the prevalence and characteristics of familial AVNRT among patients who underwent radiofrequency ablation. METHODS AND RESULTS: Ablation reports of all patients with familial AVNRT (at least 2 first-degree family members) who underwent radiofrequency ablation in our institution and in another hospital were reviewed...
February 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28185078/-ablation-of-av-nodal-reentrant-tachycardia-via-combined-access-through-the-medial-cubital-and-axillary-vein
#14
Tobias Schreiber, Philipp Attanasio, Frank Heinzel, Burkert Pieske, Wilhelm Haverkamp, Martin Huemer
If a transfemoral approach for catheter ablation procedures of paroxysmal supraventricular tachycardias is impossible, other access sites have to be considered. We present the case of a 78-year-old woman with an inferior vena cava (IVC) filter with symptomatic episodes of an atrioventricular nodal reentrant tachycardia (AVNRT). We used a combined cubital and axillary vein approach. The tachycardia was successfully ablated within the timeframe needed for conventional ablation.
February 9, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28183572/cervical-sympathetic-blockade-for-the-management-of-electrical-storm
#15
Rehan Ali, Jeffrey Ciccone, Victor Tseng
A 75-year-old man presented with dizziness and fatigue secondary to ventricular and supraventricular arrhythmias. He underwent an elective ablation but continued to suffer from ventricular tachycardia with cardiovascular instability despite antiarrhythmic therapy with multiple agents. The patient continued to develop episodes of ventricular tachycardia and an episode of ventricular fibrillation. Electrical storm encompasses a situation of cardiac instability which may present as several episodes of ventricular tachycardia or ventricular fibrillation in a short period...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28125405/av-nodal-reentrant-tachycardia-with-a-2-1-right-bundle-branch-block-missed-as-bidirectional-ventricular-tachycardia-in-the-first-superficial-evaluation
#16
Mohammad Ali Akbarzadeh, Isa Khaheshi, Mehdi Memaryan, Mohammad Parsa Mahjoob, Mohammadreza Naderian
A 95-year old woman was admitted to our emergency unit because of acute abdominal pain. After urgent surgery according to the acute abdomen, she was referred to intensive care unit (ICU) of the emergency unit as she was intubated. It was developed a run of new arrhythmia which was diagnosed by cardiology resident as bidirectional ventricular tachycardia due to beat to beat changing the axis of the QRS. However, a second and more precise evaluation of the abnormal ECG suggested a narrow supraventricular tachycardia, most probably AV nodal reentrant tachycardia with a 2:1 right bundle branch block...
January 25, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28122702/major-publications-in-the-critical-care-pharmacotherapy-literature-in-2015
#17
Adrian Wong, Michael Erdman, Drayton A Hammond, Tara Holt, Jenna M Holzhausen, Michelle Horng, Lori Lynn Huang, Jennifer Jarvis, Bridgette Kram, Shawn Kram, Christine Lesch, Jessica Mercer, Megan A Rech, Ryan Rivosecchi, Brian Stump, Colleen Teevan, Sarah Day
PURPOSE: Recently published practice guidelines and research reports on pharmacotherapy in critical care patient populations are summarized. SUMMARY: The Critical Care Pharmacotherapy Literature Update (CCPLU) Group is composed of over 50 experienced critical care pharmacists who evaluate 31 peer-reviewed journals monthly to identify literature pertaining to pharmacotherapy in critical care populations. Articles are chosen for summarization in a monthly CCPLU Group publication on the basis of applicability and relevance to clinical practice and strength of study design...
January 25, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28114840/flecainide-as-first-line-treatment-for-fetal-supraventricular-tachycardia
#18
Ali Ekiz, Basak Kaya, Helen Bornaun, Deniz Kanber Acar, Muhittin Eftal Avci, Aysegul Bestel, Gokhan Yildirim
OBJECTIVE: The aim of this study was to evaluate utilization, efficacy, and side effects of flecainide treatment as first-line agent in patients with fetal supraventricular tachycardia (SVT). METHOD: This retrospective review was conducted on 23 consecutive fetal tachyarrhythmia cases that met inclusion criteria. If the treatment was necessary, then flecainide was used as first-line treatment in all cases. RESULT: Among the study group, there were 21 (91...
February 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28110301/transcranial-measurement-of-cerebral-microembolic-signals-during-left-sided-catheter-ablation-with-the-use-of-different-approaches-the-potential-microembolic-risk-of-a-transseptal-approach
#19
Jin Iwasawa, Shinsuke Miyazaki, Takamitsu Takagi, Hiroshi Taniguchi, Hiroaki Nakamura, Hitoshi Hachiya, Yoshito Iesaka
AIMS: Subclinical brain damage due to microembolization could occur during catheter ablation procedures. We evaluated the microembolic signals (MESs) detected by transcranial Doppler during ablation of supraventricular tachycardias (SVTs) or idiopathic ventricular arrhythmias (VAs) with the use of different approaches. METHODS AND RESULTS: This study included 36 patients (23 men, 49 ± 21 years) who underwent catheter ablation of SVTs (n = 27) or idiopathic VAs (n = 9)...
January 20, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28109316/adenosine-induced-ventricular-fibrillation-in-a-structurally-normal-heart-a-case-report
#20
Christopher A Rajkumar, Norman Qureshi, Fu Siong Ng, Vasileios F Panoulas, Phang Boon Lim
BACKGROUND: Adenosine is the first-line pharmacotherapy for termination of supraventricular tachycardia through its action on the atrioventricular node. However, pro-arrhythmic effects of adenosine are also recognised, most notably in the presence of pre-excited atrial fibrillation. In this case report, we describe the induction of ventricular fibrillation in a patient with no demonstrable accessory pathway, nor any other structural heart disease. This rare, idiosyncratic reaction has never previously been reported and is of relevance given the widespread and routine use of adenosine in clinical practice...
January 22, 2017: Journal of Medical Case Reports
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